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Gage Block Physics: Is It Understood?
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[QUOTE="Spinnor, post: 6547293, member: 170849"] Go to your local glass store and buy half a dozen pieces of 1/8 inch thick window glass cut into 3x4 inch pieces. Use fine sandpaper to dull the sharp edges. Clean very well. Press and twist them together, they should stick. Similar physics? Glass microscope slides also can be stuck together. Looked at carefully you should see interference fringes. Wet one with water and press and stick together, they seem to stick together better. As you slide the glass past each other notice the change in friction as you increase the force pressing them together, it does not seem to be linear. See Google search for more info, [URL]https://www.google.com/search?q=why+do+two+gauge+blocks+stick+together&sxsrf=AOaemvLPiXzR4aCjCt3MNOMlLET7EndhXw:1632906771193&source=lnms&sa=X&ved=2ahUKEwjW3rDg66PzAhU1TDABHRC3DyUQ_AUoAHoECAEQAg&biw=1280&bih=579&dpr=1.25[/URL] From that search, [MEDIA=youtube]mgL_qH70KAU[/MEDIA]Come up with experiments that might test the hypothesis of Van der Waals forces. [ATTACH type="full" alt="1632912889125.png"]289898[/ATTACH] [/QUOTE]
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General Discussion
Gage Block Physics: Is It Understood?
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